/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=DEEPEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 15:31:07,158 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 15:31:07,163 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 15:31:07,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 15:31:07,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 15:31:07,231 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 15:31:07,234 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 15:31:07,239 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 15:31:07,243 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 15:31:07,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 15:31:07,251 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 15:31:07,252 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 15:31:07,253 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 15:31:07,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 15:31:07,260 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 15:31:07,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 15:31:07,264 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 15:31:07,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 15:31:07,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 15:31:07,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 15:31:07,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 15:31:07,298 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 15:31:07,299 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 15:31:07,300 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 15:31:07,303 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 15:31:07,304 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 15:31:07,304 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 15:31:07,305 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 15:31:07,306 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 15:31:07,307 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 15:31:07,307 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 15:31:07,308 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 15:31:07,309 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 15:31:07,310 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 15:31:07,311 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 15:31:07,312 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 15:31:07,313 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 15:31:07,313 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 15:31:07,313 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 15:31:07,314 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 15:31:07,315 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 15:31:07,317 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 15:31:07,346 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 15:31:07,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 15:31:07,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 15:31:07,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 15:31:07,348 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 15:31:07,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 15:31:07,349 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 15:31:07,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 15:31:07,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 15:31:07,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 15:31:07,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 15:31:07,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 15:31:07,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 15:31:07,350 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 15:31:07,351 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 15:31:07,351 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 15:31:07,351 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 15:31:07,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 15:31:07,352 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 15:31:07,352 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 15:31:07,352 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 15:31:07,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:31:07,353 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 15:31:07,353 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 15:31:07,353 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 15:31:07,353 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 15:31:07,353 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 15:31:07,354 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 15:31:07,354 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 15:31:07,354 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 15:31:07,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 15:31:07,777 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 15:31:07,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 15:31:07,782 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 15:31:07,783 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 15:31:07,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label07.c [2020-10-27 15:31:07,869 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d6925fdc/6d983cc98d3547619c72fb2ba479c5f2/FLAG3769750b2 [2020-10-27 15:31:08,687 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 15:31:08,691 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem01_label07.c [2020-10-27 15:31:08,719 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d6925fdc/6d983cc98d3547619c72fb2ba479c5f2/FLAG3769750b2 [2020-10-27 15:31:08,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5d6925fdc/6d983cc98d3547619c72fb2ba479c5f2 [2020-10-27 15:31:08,919 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 15:31:08,926 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 15:31:08,930 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 15:31:08,930 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 15:31:08,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 15:31:08,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:31:08" (1/1) ... [2020-10-27 15:31:08,939 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@216b903f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:31:08, skipping insertion in model container [2020-10-27 15:31:08,939 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 03:31:08" (1/1) ... [2020-10-27 15:31:08,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 15:31:09,005 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 15:31:09,495 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:31:09,521 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 15:31:09,699 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 15:31:09,725 INFO L208 MainTranslator]: Completed translation [2020-10-27 15:31:09,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:31:09 WrapperNode [2020-10-27 15:31:09,726 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 15:31:09,728 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 15:31:09,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 15:31:09,729 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 15:31:09,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:31:09" (1/1) ... [2020-10-27 15:31:09,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:31:09" (1/1) ... [2020-10-27 15:31:09,791 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:31:09" (1/1) ... [2020-10-27 15:31:09,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:31:09" (1/1) ... [2020-10-27 15:31:09,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:31:09" (1/1) ... [2020-10-27 15:31:09,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:31:09" (1/1) ... [2020-10-27 15:31:09,884 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:31:09" (1/1) ... [2020-10-27 15:31:09,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 15:31:09,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 15:31:09,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 15:31:09,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 15:31:09,897 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:31:09" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 15:31:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 15:31:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 15:31:09,989 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 15:31:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-10-27 15:31:09,990 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 15:31:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-10-27 15:31:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 15:31:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 15:31:09,991 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 15:31:09,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 15:31:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 15:31:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 15:31:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 15:31:09,993 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 15:31:09,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 15:31:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 15:31:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 15:31:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 15:31:09,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 15:31:11,529 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 15:31:11,529 INFO L298 CfgBuilder]: Removed 1 assume(true) statements. [2020-10-27 15:31:11,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:31:11 BoogieIcfgContainer [2020-10-27 15:31:11,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 15:31:11,540 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 15:31:11,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 15:31:11,545 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 15:31:11,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 03:31:08" (1/3) ... [2020-10-27 15:31:11,547 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126bda39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:31:11, skipping insertion in model container [2020-10-27 15:31:11,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 03:31:09" (2/3) ... [2020-10-27 15:31:11,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@126bda39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 03:31:11, skipping insertion in model container [2020-10-27 15:31:11,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 03:31:11" (3/3) ... [2020-10-27 15:31:11,551 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label07.c [2020-10-27 15:31:11,567 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 15:31:11,575 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 15:31:11,594 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 15:31:11,654 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 15:31:11,655 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 15:31:11,655 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 15:31:11,655 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 15:31:11,655 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 15:31:11,655 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 15:31:11,656 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 15:31:11,656 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 15:31:11,698 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states. [2020-10-27 15:31:11,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-27 15:31:11,727 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:31:11,728 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:31:11,729 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:31:11,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:31:11,742 INFO L82 PathProgramCache]: Analyzing trace with hash 2128587219, now seen corresponding path program 1 times [2020-10-27 15:31:11,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:31:11,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1618334982] [2020-10-27 15:31:11,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:31:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:12,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:12,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:14,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:14,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-27 15:31:14,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 15:31:14,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2411 [2020-10-27 15:31:14,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:14,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 15:31:14,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 15:31:14,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 69 [2020-10-27 15:31:14,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 15:31:15,186 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 35 [2020-10-27 15:31:15,449 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-10-27 15:31:15,578 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 34 [2020-10-27 15:31:15,717 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 34 [2020-10-27 15:31:15,848 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 32 [2020-10-27 15:31:16,094 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:31:16,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:31:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:16,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:16,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:16,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:31:16,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:16,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-27 15:31:16,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:16,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:31:16,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:16,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 15:31:16,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:16,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:31:16,365 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1618334982] [2020-10-27 15:31:16,367 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 15:31:16,368 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-27 15:31:16,368 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537831983] [2020-10-27 15:31:16,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 15:31:16,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:31:16,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 15:31:16,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-10-27 15:31:16,394 INFO L87 Difference]: Start difference. First operand 211 states. Second operand 12 states. [2020-10-27 15:31:16,647 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-10-27 15:31:16,874 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 15:31:17,130 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 115 [2020-10-27 15:31:17,347 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-27 15:31:17,859 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 121 [2020-10-27 15:31:18,400 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 120 [2020-10-27 15:31:19,144 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 119 [2020-10-27 15:31:20,009 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 118 [2020-10-27 15:31:20,582 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 116 [2020-10-27 15:31:22,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:31:22,063 INFO L93 Difference]: Finished difference Result 479 states and 799 transitions. [2020-10-27 15:31:22,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 15:31:22,066 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 111 [2020-10-27 15:31:22,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:31:22,089 INFO L225 Difference]: With dead ends: 479 [2020-10-27 15:31:22,089 INFO L226 Difference]: Without dead ends: 206 [2020-10-27 15:31:22,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=124, Invalid=296, Unknown=0, NotChecked=0, Total=420 [2020-10-27 15:31:22,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-10-27 15:31:22,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 206. [2020-10-27 15:31:22,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-10-27 15:31:22,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 278 transitions. [2020-10-27 15:31:22,206 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 278 transitions. Word has length 111 [2020-10-27 15:31:22,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:31:22,207 INFO L481 AbstractCegarLoop]: Abstraction has 206 states and 278 transitions. [2020-10-27 15:31:22,207 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 15:31:22,207 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 278 transitions. [2020-10-27 15:31:22,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-27 15:31:22,211 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:31:22,211 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:31:22,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 15:31:22,212 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:31:22,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:31:22,212 INFO L82 PathProgramCache]: Analyzing trace with hash -868391179, now seen corresponding path program 1 times [2020-10-27 15:31:22,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:31:22,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [558803812] [2020-10-27 15:31:22,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:31:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:22,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:22,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:22,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:24,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:24,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-27 15:31:24,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:31:24,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2457 [2020-10-27 15:31:24,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:24,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:31:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-27 15:31:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 15:31:24,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:31:24,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:31:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:24,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:24,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:24,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:31:24,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:24,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:31:24,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:24,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:31:24,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:24,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:31:24,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:25,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:31:25,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:25,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:25,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:25,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:31:25,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:25,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:31:25,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:25,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:31:25,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:25,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 15:31:25,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:25,059 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:31:25,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [558803812] [2020-10-27 15:31:25,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:31:25,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:31:25,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288693376] [2020-10-27 15:31:25,063 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:31:25,063 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:31:25,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:31:25,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:31:25,065 INFO L87 Difference]: Start difference. First operand 206 states and 278 transitions. Second operand 5 states. [2020-10-27 15:31:26,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:31:26,561 INFO L93 Difference]: Finished difference Result 483 states and 693 transitions. [2020-10-27 15:31:26,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:31:26,562 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 119 [2020-10-27 15:31:26,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:31:26,568 INFO L225 Difference]: With dead ends: 483 [2020-10-27 15:31:26,568 INFO L226 Difference]: Without dead ends: 343 [2020-10-27 15:31:26,569 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:31:26,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2020-10-27 15:31:26,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2020-10-27 15:31:26,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2020-10-27 15:31:26,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 467 transitions. [2020-10-27 15:31:26,603 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 467 transitions. Word has length 119 [2020-10-27 15:31:26,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:31:26,604 INFO L481 AbstractCegarLoop]: Abstraction has 343 states and 467 transitions. [2020-10-27 15:31:26,604 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:31:26,604 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 467 transitions. [2020-10-27 15:31:26,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2020-10-27 15:31:26,608 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:31:26,609 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:31:26,609 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 15:31:26,609 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:31:26,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:31:26,610 INFO L82 PathProgramCache]: Analyzing trace with hash 1923226678, now seen corresponding path program 1 times [2020-10-27 15:31:26,610 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:31:26,610 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660924300] [2020-10-27 15:31:26,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:31:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:26,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:26,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:27,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:27,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:27,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 134 [2020-10-27 15:31:27,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 15:31:27,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 968 [2020-10-27 15:31:27,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:31:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-27 15:31:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 15:31:27,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:27,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:31:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:27,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:27,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:27,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:31:27,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:27,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 15:31:27,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:27,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:31:27,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:27,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:31:27,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:27,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:31:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:27,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:27,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:27,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:31:27,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:27,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 15:31:27,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:27,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:31:27,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:27,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 15:31:27,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:27,897 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 15:31:27,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660924300] [2020-10-27 15:31:27,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:31:27,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:31:27,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024044576] [2020-10-27 15:31:27,901 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:31:27,901 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:31:27,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:31:27,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:31:27,904 INFO L87 Difference]: Start difference. First operand 343 states and 467 transitions. Second operand 5 states. [2020-10-27 15:31:29,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:31:29,564 INFO L93 Difference]: Finished difference Result 894 states and 1267 transitions. [2020-10-27 15:31:29,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:31:29,565 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 122 [2020-10-27 15:31:29,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:31:29,570 INFO L225 Difference]: With dead ends: 894 [2020-10-27 15:31:29,571 INFO L226 Difference]: Without dead ends: 617 [2020-10-27 15:31:29,572 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:31:29,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2020-10-27 15:31:29,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 617. [2020-10-27 15:31:29,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2020-10-27 15:31:29,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 812 transitions. [2020-10-27 15:31:29,626 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 812 transitions. Word has length 122 [2020-10-27 15:31:29,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:31:29,626 INFO L481 AbstractCegarLoop]: Abstraction has 617 states and 812 transitions. [2020-10-27 15:31:29,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:31:29,627 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 812 transitions. [2020-10-27 15:31:29,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-27 15:31:29,636 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:31:29,638 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:31:29,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 15:31:29,639 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:31:29,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:31:29,639 INFO L82 PathProgramCache]: Analyzing trace with hash -62462820, now seen corresponding path program 1 times [2020-10-27 15:31:29,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:31:29,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [204346121] [2020-10-27 15:31:29,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:31:29,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:29,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:29,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:30,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:33,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:34,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:34,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 148 [2020-10-27 15:31:34,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:31:34,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-27 15:31:34,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-27 15:31:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 35 [2020-10-27 15:31:34,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-27 15:31:34,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:35,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:31:35,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:35,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:35,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:35,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:31:35,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:35,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 15:31:35,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:35,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:31:35,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:35,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:31:35,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:35,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:31:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:35,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:35,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:35,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:31:35,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:35,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 15:31:35,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:31:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:35,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:31:35,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:35,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 15:31:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:35,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:35,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:35,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 15:31:35,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:35,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 15:31:35,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:31:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:35,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 15:31:35,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:35,733 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-27 15:31:35,733 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [204346121] [2020-10-27 15:31:35,734 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:31:35,734 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-27 15:31:35,734 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561392822] [2020-10-27 15:31:35,735 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-27 15:31:35,735 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:31:35,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-27 15:31:35,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2020-10-27 15:31:35,736 INFO L87 Difference]: Start difference. First operand 617 states and 812 transitions. Second operand 13 states. [2020-10-27 15:31:36,239 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2020-10-27 15:31:36,443 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-27 15:31:37,071 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 119 [2020-10-27 15:31:37,600 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 118 [2020-10-27 15:31:38,222 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 117 [2020-10-27 15:31:38,712 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 116 [2020-10-27 15:31:39,414 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 114 [2020-10-27 15:31:39,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:31:39,715 INFO L93 Difference]: Finished difference Result 1240 states and 1699 transitions. [2020-10-27 15:31:39,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 15:31:39,720 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 134 [2020-10-27 15:31:39,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:31:39,725 INFO L225 Difference]: With dead ends: 1240 [2020-10-27 15:31:39,726 INFO L226 Difference]: Without dead ends: 689 [2020-10-27 15:31:39,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=131, Invalid=289, Unknown=0, NotChecked=0, Total=420 [2020-10-27 15:31:39,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2020-10-27 15:31:39,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 689. [2020-10-27 15:31:39,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 689 states. [2020-10-27 15:31:39,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 689 states and 895 transitions. [2020-10-27 15:31:39,759 INFO L78 Accepts]: Start accepts. Automaton has 689 states and 895 transitions. Word has length 134 [2020-10-27 15:31:39,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:31:39,760 INFO L481 AbstractCegarLoop]: Abstraction has 689 states and 895 transitions. [2020-10-27 15:31:39,760 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-27 15:31:39,760 INFO L276 IsEmpty]: Start isEmpty. Operand 689 states and 895 transitions. [2020-10-27 15:31:39,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2020-10-27 15:31:39,763 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:31:39,764 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:31:39,764 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 15:31:39,764 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:31:39,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:31:39,765 INFO L82 PathProgramCache]: Analyzing trace with hash -2142776373, now seen corresponding path program 1 times [2020-10-27 15:31:39,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:31:39,765 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216829246] [2020-10-27 15:31:39,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:31:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:39,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:39,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:40,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:43,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:44,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:44,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-27 15:31:44,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 15:31:44,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5024 [2020-10-27 15:31:44,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:31:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 46 [2020-10-27 15:31:44,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 15:31:44,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:44,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:31:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:44,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:44,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:44,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:31:44,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:44,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 15:31:45,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:31:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:31:45,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:45,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:31:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:45,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:45,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:45,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 15:31:45,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:45,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 15:31:45,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:31:45,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:45,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:31:45,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:45,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-27 15:31:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:45,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:45,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:45,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 15:31:45,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:45,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 15:31:45,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:45,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:31:45,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:45,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 15:31:45,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:45,119 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 29 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-27 15:31:45,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216829246] [2020-10-27 15:31:45,120 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:31:45,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:31:45,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11491078] [2020-10-27 15:31:45,121 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:31:45,121 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:31:45,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:31:45,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:31:45,122 INFO L87 Difference]: Start difference. First operand 689 states and 895 transitions. Second operand 5 states. [2020-10-27 15:31:46,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:31:46,844 INFO L93 Difference]: Finished difference Result 1860 states and 2493 transitions. [2020-10-27 15:31:46,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:31:46,846 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2020-10-27 15:31:46,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:31:46,859 INFO L225 Difference]: With dead ends: 1860 [2020-10-27 15:31:46,859 INFO L226 Difference]: Without dead ends: 1237 [2020-10-27 15:31:46,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:31:46,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2020-10-27 15:31:46,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1237. [2020-10-27 15:31:46,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1237 states. [2020-10-27 15:31:46,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1237 states to 1237 states and 1620 transitions. [2020-10-27 15:31:46,934 INFO L78 Accepts]: Start accepts. Automaton has 1237 states and 1620 transitions. Word has length 145 [2020-10-27 15:31:46,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:31:46,936 INFO L481 AbstractCegarLoop]: Abstraction has 1237 states and 1620 transitions. [2020-10-27 15:31:46,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:31:46,936 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1620 transitions. [2020-10-27 15:31:46,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-27 15:31:46,943 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 15:31:46,943 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 15:31:46,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 15:31:46,944 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 15:31:46,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 15:31:46,944 INFO L82 PathProgramCache]: Analyzing trace with hash 508507454, now seen corresponding path program 1 times [2020-10-27 15:31:46,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 15:31:46,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1510675109] [2020-10-27 15:31:46,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 15:31:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:47,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:47,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:47,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:49,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:49,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:51,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:51,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-27 15:31:51,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 15:31:51,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4261 [2020-10-27 15:31:51,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 15:31:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 109 [2020-10-27 15:31:51,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-27 15:31:51,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 15:31:51,428 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:31:51,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 15:31:51,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:51,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:51,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:51,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 15:31:51,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:51,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 15:31:51,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:51,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:31:51,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:51,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:31:51,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:31:51,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2020-10-27 15:31:51,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:51,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:51,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:51,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 15:31:51,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:51,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 15:31:51,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:51,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:31:51,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:51,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:31:51,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:31:51,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 15:31:51,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:51,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:51,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:51,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 15:31:51,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:51,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 15:31:51,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:51,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 15:31:51,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:51,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 15:31:51,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:31:51,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-27 15:31:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 15:31:51,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 15:31:51,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 15:31:51,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-27 15:31:51,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 15:31:51,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 97 [2020-10-27 15:31:51,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 15:31:51,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 15:31:51,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 15:31:51,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 15:31:51,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 15:31:51,781 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 89 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-27 15:31:51,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1510675109] [2020-10-27 15:31:51,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 15:31:51,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-10-27 15:31:51,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392433175] [2020-10-27 15:31:51,787 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 15:31:51,789 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 15:31:51,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 15:31:51,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 15:31:51,791 INFO L87 Difference]: Start difference. First operand 1237 states and 1620 transitions. Second operand 5 states. [2020-10-27 15:31:53,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 15:31:53,364 INFO L93 Difference]: Finished difference Result 3227 states and 4317 transitions. [2020-10-27 15:31:53,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 15:31:53,370 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 206 [2020-10-27 15:31:53,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 15:31:53,371 INFO L225 Difference]: With dead ends: 3227 [2020-10-27 15:31:53,371 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 15:31:53,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 15:31:53,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 15:31:53,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 15:31:53,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 15:31:53,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 15:31:53,380 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 206 [2020-10-27 15:31:53,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 15:31:53,381 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 15:31:53,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 15:31:53,381 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 15:31:53,381 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 15:31:53,381 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 15:31:53,383 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 15:31:53,929 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 45 [2020-10-27 15:31:54,553 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 38 [2020-10-27 15:31:54,739 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2020-10-27 15:31:54,886 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 4) no Hoare annotation was computed. [2020-10-27 15:31:54,886 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 4) the Hoare annotation is: true [2020-10-27 15:31:54,886 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 4) no Hoare annotation was computed. [2020-10-27 15:31:54,887 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 4) no Hoare annotation was computed. [2020-10-27 15:31:54,887 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:31:54,888 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= ~a21~0 |old(~a21~0)|) (= |#t~string6.base| |old(#t~string6.base)|) (= ~a8~0 |old(~a8~0)|) (= ~f~0 |old(~f~0)|) (= |old(#valid)| |#valid|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~a7~0 |old(~a7~0)|) (= ~w~0 |old(~w~0)|) (= ~u~0 |old(~u~0)|) (= ~e~0 |old(~e~0)|) (= ~a16~0 |old(~a16~0)|) (= |#NULL.base| |old(#NULL.base)|) (= ~y~0 |old(~y~0)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~a17~0 |old(~a17~0)|) (= ~c~0 |old(~c~0)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~z~0 |old(~z~0)|) (= ~a12~0 |old(~a12~0)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= ~a~0 |old(~a~0)|) (= ~a20~0 |old(~a20~0)|) (= ~x~0 |old(~x~0)|) (= ~d~0 |old(~d~0)|) (= |#NULL.offset| |old(#NULL.offset)|) (= ~v~0 |old(~v~0)|) (= ~b~0 |old(~b~0)|)) [2020-10-27 15:31:54,888 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:31:54,888 INFO L274 CegarLoopResult]: For program point L564-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,888 INFO L274 CegarLoopResult]: For program point L531-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,889 INFO L274 CegarLoopResult]: For program point L498-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,889 INFO L274 CegarLoopResult]: For program point L465-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,889 INFO L274 CegarLoopResult]: For program point L432-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,889 INFO L274 CegarLoopResult]: For program point L399-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,889 INFO L274 CegarLoopResult]: For program point L267(lines 267 392) no Hoare annotation was computed. [2020-10-27 15:31:54,889 INFO L274 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-10-27 15:31:54,889 INFO L274 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2020-10-27 15:31:54,890 INFO L274 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2020-10-27 15:31:54,890 INFO L274 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2020-10-27 15:31:54,890 INFO L274 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2020-10-27 15:31:54,890 INFO L274 CegarLoopResult]: For program point L400(line 400) no Hoare annotation was computed. [2020-10-27 15:31:54,891 INFO L274 CegarLoopResult]: For program point L367(lines 367 392) no Hoare annotation was computed. [2020-10-27 15:31:54,891 INFO L274 CegarLoopResult]: For program point L301(lines 301 392) no Hoare annotation was computed. [2020-10-27 15:31:54,891 INFO L274 CegarLoopResult]: For program point L37(lines 37 392) no Hoare annotation was computed. [2020-10-27 15:31:54,892 INFO L274 CegarLoopResult]: For program point L335(lines 335 392) no Hoare annotation was computed. [2020-10-27 15:31:54,892 INFO L274 CegarLoopResult]: For program point L104(lines 104 392) no Hoare annotation was computed. [2020-10-27 15:31:54,892 INFO L274 CegarLoopResult]: For program point L567-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,892 INFO L274 CegarLoopResult]: For program point L534-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,893 INFO L274 CegarLoopResult]: For program point L501-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,893 INFO L274 CegarLoopResult]: For program point L468-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,893 INFO L274 CegarLoopResult]: For program point L435-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,893 INFO L274 CegarLoopResult]: For program point L402-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,893 INFO L274 CegarLoopResult]: For program point L270(lines 270 392) no Hoare annotation was computed. [2020-10-27 15:31:54,893 INFO L274 CegarLoopResult]: For program point L138(lines 138 392) no Hoare annotation was computed. [2020-10-27 15:31:54,893 INFO L274 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2020-10-27 15:31:54,894 INFO L274 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2020-10-27 15:31:54,894 INFO L274 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-10-27 15:31:54,894 INFO L274 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2020-10-27 15:31:54,894 INFO L274 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2020-10-27 15:31:54,894 INFO L274 CegarLoopResult]: For program point L403(line 403) no Hoare annotation was computed. [2020-10-27 15:31:54,896 INFO L274 CegarLoopResult]: For program point L205(lines 205 392) no Hoare annotation was computed. [2020-10-27 15:31:54,896 INFO L274 CegarLoopResult]: For program point L74(lines 74 392) no Hoare annotation was computed. [2020-10-27 15:31:54,896 INFO L274 CegarLoopResult]: For program point L570-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,896 INFO L274 CegarLoopResult]: For program point L537-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,896 INFO L274 CegarLoopResult]: For program point L504-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,896 INFO L274 CegarLoopResult]: For program point L471-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,896 INFO L274 CegarLoopResult]: For program point L438-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,897 INFO L274 CegarLoopResult]: For program point L405-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,897 INFO L274 CegarLoopResult]: For program point L339(lines 339 392) no Hoare annotation was computed. [2020-10-27 15:31:54,897 INFO L274 CegarLoopResult]: For program point L240(lines 240 392) no Hoare annotation was computed. [2020-10-27 15:31:54,897 INFO L274 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2020-10-27 15:31:54,897 INFO L274 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2020-10-27 15:31:54,898 INFO L274 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2020-10-27 15:31:54,898 INFO L274 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2020-10-27 15:31:54,898 INFO L274 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2020-10-27 15:31:54,898 INFO L274 CegarLoopResult]: For program point L406(line 406) no Hoare annotation was computed. [2020-10-27 15:31:54,898 INFO L274 CegarLoopResult]: For program point L175(lines 175 392) no Hoare annotation was computed. [2020-10-27 15:31:54,898 INFO L274 CegarLoopResult]: For program point L142(lines 142 392) no Hoare annotation was computed. [2020-10-27 15:31:54,898 INFO L274 CegarLoopResult]: For program point L374(lines 374 392) no Hoare annotation was computed. [2020-10-27 15:31:54,899 INFO L274 CegarLoopResult]: For program point L308(lines 308 392) no Hoare annotation was computed. [2020-10-27 15:31:54,899 INFO L274 CegarLoopResult]: For program point L275(lines 275 392) no Hoare annotation was computed. [2020-10-27 15:31:54,899 INFO L274 CegarLoopResult]: For program point L110(lines 110 392) no Hoare annotation was computed. [2020-10-27 15:31:54,899 INFO L274 CegarLoopResult]: For program point L573-1(lines 573 575) no Hoare annotation was computed. [2020-10-27 15:31:54,900 INFO L274 CegarLoopResult]: For program point L540-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,901 INFO L274 CegarLoopResult]: For program point L507-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,901 INFO L274 CegarLoopResult]: For program point L474-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,901 INFO L274 CegarLoopResult]: For program point L441-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,901 INFO L274 CegarLoopResult]: For program point L408-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,901 INFO L274 CegarLoopResult]: For program point L210(lines 210 392) no Hoare annotation was computed. [2020-10-27 15:31:54,901 INFO L274 CegarLoopResult]: For program point L45(lines 45 392) no Hoare annotation was computed. [2020-10-27 15:31:54,901 INFO L274 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2020-10-27 15:31:54,901 INFO L274 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2020-10-27 15:31:54,902 INFO L274 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-10-27 15:31:54,902 INFO L274 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2020-10-27 15:31:54,902 INFO L274 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2020-10-27 15:31:54,902 INFO L274 CegarLoopResult]: For program point L409(line 409) no Hoare annotation was computed. [2020-10-27 15:31:54,902 INFO L274 CegarLoopResult]: For program point L146(lines 146 392) no Hoare annotation was computed. [2020-10-27 15:31:54,902 INFO L274 CegarLoopResult]: For program point L543-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,902 INFO L274 CegarLoopResult]: For program point L510-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,902 INFO L274 CegarLoopResult]: For program point L477-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,903 INFO L274 CegarLoopResult]: For program point L444-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,903 INFO L274 CegarLoopResult]: For program point L411-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,903 INFO L274 CegarLoopResult]: For program point L180(lines 180 392) no Hoare annotation was computed. [2020-10-27 15:31:54,903 INFO L274 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-10-27 15:31:54,903 INFO L274 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2020-10-27 15:31:54,903 INFO L274 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2020-10-27 15:31:54,903 INFO L274 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2020-10-27 15:31:54,903 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-27 15:31:54,903 INFO L274 CegarLoopResult]: For program point L379(lines 379 392) no Hoare annotation was computed. [2020-10-27 15:31:54,904 INFO L274 CegarLoopResult]: For program point L280(lines 280 392) no Hoare annotation was computed. [2020-10-27 15:31:54,904 INFO L274 CegarLoopResult]: For program point L247(lines 247 392) no Hoare annotation was computed. [2020-10-27 15:31:54,904 INFO L274 CegarLoopResult]: For program point L82(lines 82 392) no Hoare annotation was computed. [2020-10-27 15:31:54,904 INFO L274 CegarLoopResult]: For program point L347(lines 347 392) no Hoare annotation was computed. [2020-10-27 15:31:54,904 INFO L274 CegarLoopResult]: For program point L314(lines 314 392) no Hoare annotation was computed. [2020-10-27 15:31:54,904 INFO L274 CegarLoopResult]: For program point L116(lines 116 392) no Hoare annotation was computed. [2020-10-27 15:31:54,904 INFO L274 CegarLoopResult]: For program point L546-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,904 INFO L274 CegarLoopResult]: For program point L513-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,905 INFO L274 CegarLoopResult]: For program point L480-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,905 INFO L274 CegarLoopResult]: For program point L447-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,905 INFO L274 CegarLoopResult]: For program point L414-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,906 INFO L274 CegarLoopResult]: For program point L216(lines 216 392) no Hoare annotation was computed. [2020-10-27 15:31:54,906 INFO L274 CegarLoopResult]: For program point L150(lines 150 392) no Hoare annotation was computed. [2020-10-27 15:31:54,907 INFO L274 CegarLoopResult]: For program point L51(lines 51 392) no Hoare annotation was computed. [2020-10-27 15:31:54,907 INFO L274 CegarLoopResult]: For program point calculate_outputFINAL(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,907 INFO L274 CegarLoopResult]: For program point calculate_outputEXIT(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,907 INFO L274 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2020-10-27 15:31:54,907 INFO L274 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2020-10-27 15:31:54,908 INFO L274 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2020-10-27 15:31:54,908 INFO L274 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2020-10-27 15:31:54,908 INFO L274 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2020-10-27 15:31:54,909 INFO L274 CegarLoopResult]: For program point L86(lines 86 392) no Hoare annotation was computed. [2020-10-27 15:31:54,909 INFO L274 CegarLoopResult]: For program point L549-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,909 INFO L274 CegarLoopResult]: For program point L516-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,909 INFO L274 CegarLoopResult]: For program point L483-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,909 INFO L274 CegarLoopResult]: For program point L450-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,909 INFO L274 CegarLoopResult]: For program point L384(lines 384 392) no Hoare annotation was computed. [2020-10-27 15:31:54,910 INFO L274 CegarLoopResult]: For program point L417-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,910 INFO L274 CegarLoopResult]: For program point L318(lines 318 392) no Hoare annotation was computed. [2020-10-27 15:31:54,910 INFO L274 CegarLoopResult]: For program point L252(lines 252 392) no Hoare annotation was computed. [2020-10-27 15:31:54,910 INFO L274 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2020-10-27 15:31:54,910 INFO L274 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-10-27 15:31:54,910 INFO L274 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2020-10-27 15:31:54,910 INFO L274 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2020-10-27 15:31:54,910 INFO L274 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2020-10-27 15:31:54,911 INFO L274 CegarLoopResult]: For program point L220(lines 220 392) no Hoare annotation was computed. [2020-10-27 15:31:54,911 INFO L274 CegarLoopResult]: For program point L154(lines 154 392) no Hoare annotation was computed. [2020-10-27 15:31:54,911 INFO L274 CegarLoopResult]: For program point L121(lines 121 392) no Hoare annotation was computed. [2020-10-27 15:31:54,912 INFO L274 CegarLoopResult]: For program point L320(lines 320 392) no Hoare annotation was computed. [2020-10-27 15:31:54,912 INFO L274 CegarLoopResult]: For program point L188(lines 188 392) no Hoare annotation was computed. [2020-10-27 15:31:54,912 INFO L274 CegarLoopResult]: For program point L56(lines 56 392) no Hoare annotation was computed. [2020-10-27 15:31:54,912 INFO L274 CegarLoopResult]: For program point L552-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,912 INFO L274 CegarLoopResult]: For program point L519-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,913 INFO L274 CegarLoopResult]: For program point L486-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,913 INFO L274 CegarLoopResult]: For program point L453-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,913 INFO L274 CegarLoopResult]: For program point L420-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,913 INFO L274 CegarLoopResult]: For program point L288(lines 288 392) no Hoare annotation was computed. [2020-10-27 15:31:54,913 INFO L274 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2020-10-27 15:31:54,913 INFO L274 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2020-10-27 15:31:54,913 INFO L274 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2020-10-27 15:31:54,914 INFO L274 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2020-10-27 15:31:54,914 INFO L274 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2020-10-27 15:31:54,914 INFO L274 CegarLoopResult]: For program point L355(lines 355 392) no Hoare annotation was computed. [2020-10-27 15:31:54,914 INFO L274 CegarLoopResult]: For program point L191(lines 191 392) no Hoare annotation was computed. [2020-10-27 15:31:54,914 INFO L274 CegarLoopResult]: For program point L555-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,914 INFO L274 CegarLoopResult]: For program point L522-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,915 INFO L270 CegarLoopResult]: At program point calculate_outputENTRY(lines 32 577) the Hoare annotation is: (let ((.cse0 (= ~a7~0 |old(~a7~0)|)) (.cse1 (= ~a17~0 |old(~a17~0)|)) (.cse2 (= ~a21~0 |old(~a21~0)|)) (.cse3 (= ~a20~0 |old(~a20~0)|)) (.cse4 (= ~a16~0 |old(~a16~0)|))) (let ((.cse5 (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a8~0 |old(~a8~0)|)))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ~a8~0 15)) (not (= 15 |old(~a8~0)|))) (or .cse5 (not (<= |old(~a17~0)| 0))) (or (not (<= |old(~a16~0)| 4)) .cse5) (or (not (= |old(~a20~0)| 1)) .cse5)))) [2020-10-27 15:31:54,915 INFO L274 CegarLoopResult]: For program point L489-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,915 INFO L274 CegarLoopResult]: For program point L456-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,915 INFO L274 CegarLoopResult]: For program point L423-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,915 INFO L274 CegarLoopResult]: For program point L357(lines 357 392) no Hoare annotation was computed. [2020-10-27 15:31:54,915 INFO L274 CegarLoopResult]: For program point L258(lines 258 392) no Hoare annotation was computed. [2020-10-27 15:31:54,915 INFO L274 CegarLoopResult]: For program point L225(lines 225 392) no Hoare annotation was computed. [2020-10-27 15:31:54,916 INFO L274 CegarLoopResult]: For program point L126(lines 126 392) no Hoare annotation was computed. [2020-10-27 15:31:54,916 INFO L274 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-10-27 15:31:54,916 INFO L274 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2020-10-27 15:31:54,916 INFO L270 CegarLoopResult]: At program point L490(line 490) the Hoare annotation is: (and (not (= |old(~a20~0)| 1)) (not (<= |old(~a16~0)| 4)) (not (<= |old(~a17~0)| 0)) (not (= 15 |old(~a8~0)|))) [2020-10-27 15:31:54,916 INFO L274 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2020-10-27 15:31:54,916 INFO L274 CegarLoopResult]: For program point L490-1(line 490) no Hoare annotation was computed. [2020-10-27 15:31:54,916 INFO L274 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2020-10-27 15:31:54,916 INFO L274 CegarLoopResult]: For program point L94(lines 94 392) no Hoare annotation was computed. [2020-10-27 15:31:54,917 INFO L274 CegarLoopResult]: For program point L326(lines 326 392) no Hoare annotation was computed. [2020-10-27 15:31:54,917 INFO L274 CegarLoopResult]: For program point L558-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,917 INFO L274 CegarLoopResult]: For program point L525-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,917 INFO L274 CegarLoopResult]: For program point L492-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,917 INFO L274 CegarLoopResult]: For program point L459-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,917 INFO L274 CegarLoopResult]: For program point L393(lines 393 395) no Hoare annotation was computed. [2020-10-27 15:31:54,917 INFO L274 CegarLoopResult]: For program point L426-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,917 INFO L274 CegarLoopResult]: For program point L393-2(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,918 INFO L274 CegarLoopResult]: For program point L294(lines 294 392) no Hoare annotation was computed. [2020-10-27 15:31:54,918 INFO L274 CegarLoopResult]: For program point L162(lines 162 392) no Hoare annotation was computed. [2020-10-27 15:31:54,918 INFO L274 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2020-10-27 15:31:54,918 INFO L274 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2020-10-27 15:31:54,918 INFO L274 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2020-10-27 15:31:54,918 INFO L274 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2020-10-27 15:31:54,918 INFO L274 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2020-10-27 15:31:54,918 INFO L274 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-10-27 15:31:54,921 INFO L274 CegarLoopResult]: For program point L196(lines 196 392) no Hoare annotation was computed. [2020-10-27 15:31:54,921 INFO L274 CegarLoopResult]: For program point L64(lines 64 392) no Hoare annotation was computed. [2020-10-27 15:31:54,921 INFO L274 CegarLoopResult]: For program point L263(lines 263 392) no Hoare annotation was computed. [2020-10-27 15:31:54,921 INFO L274 CegarLoopResult]: For program point L131(lines 131 392) no Hoare annotation was computed. [2020-10-27 15:31:54,922 INFO L274 CegarLoopResult]: For program point L561-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,922 INFO L274 CegarLoopResult]: For program point L528-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,922 INFO L274 CegarLoopResult]: For program point L495-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,922 INFO L274 CegarLoopResult]: For program point L462-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,922 INFO L274 CegarLoopResult]: For program point L429-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,922 INFO L274 CegarLoopResult]: For program point L363(lines 363 392) no Hoare annotation was computed. [2020-10-27 15:31:54,922 INFO L274 CegarLoopResult]: For program point L396-1(lines 32 577) no Hoare annotation was computed. [2020-10-27 15:31:54,923 INFO L274 CegarLoopResult]: For program point L99(lines 99 392) no Hoare annotation was computed. [2020-10-27 15:31:54,923 INFO L274 CegarLoopResult]: For program point L33(lines 33 392) no Hoare annotation was computed. [2020-10-27 15:31:54,923 INFO L274 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2020-10-27 15:31:54,923 INFO L274 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-10-27 15:31:54,923 INFO L274 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2020-10-27 15:31:54,923 INFO L274 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2020-10-27 15:31:54,923 INFO L274 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2020-10-27 15:31:54,924 INFO L274 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-10-27 15:31:54,924 INFO L274 CegarLoopResult]: For program point L331(lines 331 392) no Hoare annotation was computed. [2020-10-27 15:31:54,924 INFO L274 CegarLoopResult]: For program point L199(lines 199 392) no Hoare annotation was computed. [2020-10-27 15:31:54,924 INFO L274 CegarLoopResult]: For program point L67(lines 67 392) no Hoare annotation was computed. [2020-10-27 15:31:54,924 INFO L274 CegarLoopResult]: For program point L365(lines 365 392) no Hoare annotation was computed. [2020-10-27 15:31:54,924 INFO L274 CegarLoopResult]: For program point L233(lines 233 392) no Hoare annotation was computed. [2020-10-27 15:31:54,924 INFO L274 CegarLoopResult]: For program point L167(lines 167 392) no Hoare annotation was computed. [2020-10-27 15:31:54,925 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 15:31:54,925 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= ~a16~0 5) (= ~a12~0 8) (= ~a20~0 1) (<= ~a21~0 1) (<= 1 ~a21~0) (<= 5 ~a16~0) (<= ~a8~0 15) (= ~a7~0 0) (<= 15 ~a8~0) (= ~a17~0 1)) [2020-10-27 15:31:54,925 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 15:31:54,925 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 15:31:54,925 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 579 596) the Hoare annotation is: (or (not (= |old(~a17~0)| 1)) (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a21~0)| 1)) (and (= ~a17~0 |old(~a17~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 |old(~a16~0)|) (= ~a8~0 15) (<= ~a21~0 1) (<= 1 ~a21~0) (= ~a7~0 0)) (not (<= |old(~a16~0)| 5)) (not (<= 1 |old(~a21~0)|)) (not (= |old(~a20~0)| 1)) (not (= 15 |old(~a8~0)|)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0))) [2020-10-27 15:31:54,926 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 579 596) no Hoare annotation was computed. [2020-10-27 15:31:54,926 INFO L270 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a21~0)| 1)) (not (= |old(~a20~0)| 1)) (<= ~a17~0 0) (= ~a20~0 1) (not (= |old(~a17~0)| 1)) (not (<= |old(~a16~0)| 5)) (not (<= 1 |old(~a21~0)|)) (<= ~a16~0 4) (= ~a8~0 15) (not (= 15 |old(~a8~0)|)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0))) [2020-10-27 15:31:54,926 INFO L274 CegarLoopResult]: For program point L593-1(line 593) no Hoare annotation was computed. [2020-10-27 15:31:54,926 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-27 15:31:54,927 INFO L270 CegarLoopResult]: At program point L585-2(lines 585 595) the Hoare annotation is: (or (not (<= 5 |old(~a16~0)|)) (not (<= |old(~a21~0)| 1)) (not (= |old(~a20~0)| 1)) (<= ~a17~0 0) (= ~a20~0 1) (not (= |old(~a17~0)| 1)) (not (<= |old(~a16~0)| 5)) (not (<= 1 |old(~a21~0)|)) (<= ~a16~0 4) (= ~a8~0 15) (not (= 15 |old(~a8~0)|)) (not (= ~a12~0 8)) (not (= |old(~a7~0)| 0))) [2020-10-27 15:31:54,927 INFO L274 CegarLoopResult]: For program point L585-3(lines 579 596) no Hoare annotation was computed. [2020-10-27 15:31:54,950 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 03:31:54 BoogieIcfgContainer [2020-10-27 15:31:54,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 15:31:54,952 INFO L168 Benchmark]: Toolchain (without parser) took 46030.47 ms. Allocated memory was 153.1 MB in the beginning and 783.3 MB in the end (delta: 630.2 MB). Free memory was 126.8 MB in the beginning and 695.6 MB in the end (delta: -568.8 MB). Peak memory consumption was 389.8 MB. Max. memory is 8.0 GB. [2020-10-27 15:31:54,953 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 153.1 MB. Free memory was 125.2 MB in the beginning and 125.0 MB in the end (delta: 117.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 15:31:54,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 797.32 ms. Allocated memory is still 153.1 MB. Free memory was 126.2 MB in the beginning and 131.5 MB in the end (delta: -5.3 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. [2020-10-27 15:31:54,955 INFO L168 Benchmark]: Boogie Preprocessor took 166.02 ms. Allocated memory is still 153.1 MB. Free memory was 131.5 MB in the beginning and 126.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-27 15:31:54,955 INFO L168 Benchmark]: RCFGBuilder took 1639.37 ms. Allocated memory is still 153.1 MB. Free memory was 126.8 MB in the beginning and 104.8 MB in the end (delta: 21.9 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. [2020-10-27 15:31:54,956 INFO L168 Benchmark]: TraceAbstraction took 43409.75 ms. Allocated memory was 153.1 MB in the beginning and 783.3 MB in the end (delta: 630.2 MB). Free memory was 104.3 MB in the beginning and 695.6 MB in the end (delta: -591.2 MB). Peak memory consumption was 366.6 MB. Max. memory is 8.0 GB. [2020-10-27 15:31:54,960 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 153.1 MB. Free memory was 125.2 MB in the beginning and 125.0 MB in the end (delta: 117.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 797.32 ms. Allocated memory is still 153.1 MB. Free memory was 126.2 MB in the beginning and 131.5 MB in the end (delta: -5.3 MB). Peak memory consumption was 30.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 166.02 ms. Allocated memory is still 153.1 MB. Free memory was 131.5 MB in the beginning and 126.8 MB in the end (delta: 4.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1639.37 ms. Allocated memory is still 153.1 MB. Free memory was 126.8 MB in the beginning and 104.8 MB in the end (delta: 21.9 MB). Peak memory consumption was 83.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 43409.75 ms. Allocated memory was 153.1 MB in the beginning and 783.3 MB in the end (delta: 630.2 MB). Free memory was 104.3 MB in the beginning and 695.6 MB in the end (delta: -591.2 MB). Peak memory consumption was 366.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((((((((!(5 <= \old(a16)) || !(\old(a21) <= 1)) || !(\old(a20) == 1)) || a17 <= 0) || a20 == 1) || !(\old(a17) == 1)) || !(\old(a16) <= 5)) || !(1 <= \old(a21))) || a16 <= 4) || a8 == 15) || !(15 == \old(a8))) || !(a12 == 8)) || !(\old(a7) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 211 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 41.7s, OverallIterations: 6, TraceHistogramMax: 4, AutomataDifference: 16.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 141 SDtfs, 1819 SDslu, 151 SDs, 0 SdLazy, 5131 SolverSat, 396 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 44 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 98 ImplicationChecksByTransitivity, 7.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1237occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 88 PreInvPairs, 120 NumberOfFragments, 392 HoareAnnotationTreeSize, 88 FomulaSimplifications, 494 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2105 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 23.9s InterpolantComputationTime, 837 NumberOfCodeBlocks, 837 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 831 ConstructedInterpolants, 0 QuantifiedInterpolants, 920946 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 185/194 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...